28647450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 85307040

約数和(自身を除く): 56659590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 59, 65, 75, 78, 83, 90, 117, 118, 130, 150, 166, 177, 195, 225, 234, 249, 295, 325, 354, 390, 415, 450, 498, 531, 585, 590, 650, 747, 767, 830, 885, 975, 1062, 1079, 1170, 1245, 1475, 1494, 1534, 1770, 1950, 2075, 2158, 2301, 2490, 2655, 2925, 2950, 3237, 3735, 3835, 4150, 4425, 4602, 4897, 5310, 5395, 5850, 6225, 6474, 6903, 7470, 7670, 8850, 9711, 9794, 10790, 11505, 12450, 13275, 13806, 14691, 16185, 18675, 19175, 19422, 23010, 24485, 26550, 26975, 29382, 32370, 34515, 37350, 38350, 44073, 48555, 48970, 53950, 57525, 63661, 69030, 73455, 80925, 88146, 97110, 115050, 122425, 127322, 146910, 161850, 172575, 190983, 220365, 242775, 244850, 318305, 345150, 367275, 381966, 440730, 485550, 572949, 636610, 734550, 954915, 1101825, 1145898, 1591525, 1909830, 2203650, 2864745, 3183050, 4774575, 5729490, 9549150, 14323725, 28647450]

約数ペア:

[(1, 28647450), (2, 14323725), (3, 9549150), (5, 5729490), (6, 4774575), (9, 3183050), (10, 2864745), (13, 2203650), (15, 1909830), (18, 1591525), (25, 1145898), (26, 1101825), (30, 954915), (39, 734550), (45, 636610), (50, 572949), (59, 485550), (65, 440730), (75, 381966), (78, 367275), (83, 345150), (90, 318305), (117, 244850), (118, 242775), (130, 220365), (150, 190983), (166, 172575), (177, 161850), (195, 146910), (225, 127322), (234, 122425), (249, 115050), (295, 97110), (325, 88146), (354, 80925), (390, 73455), (415, 69030), (450, 63661), (498, 57525), (531, 53950), (585, 48970), (590, 48555), (650, 44073), (747, 38350), (767, 37350), (830, 34515), (885, 32370), (975, 29382), (1062, 26975), (1079, 26550), (1170, 24485), (1245, 23010), (1475, 19422), (1494, 19175), (1534, 18675), (1770, 16185), (1950, 14691), (2075, 13806), (2158, 13275), (2301, 12450), (2490, 11505), (2655, 10790), (2925, 9794), (2950, 9711), (3237, 8850), (3735, 7670), (3835, 7470), (4150, 6903), (4425, 6474), (4602, 6225), (4897, 5850), (5310, 5395)]